OPTICAL PICKUP DEVICE,申请号JP19980024675-传众专利搜索

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发明名称	OPTICAL PICKUP DEVICE
摘要
申请公布号	JPH11224438(A)	申请公布日期	1999.08.17
申请号	JP19980024675	申请日期	1998.02.05
申请人	SONY CORP	发明人	ITO TOMOHIRO
分类号	G11B21/02;G11B7/22;(IPC1-7):G11B7/22	主分类号	G11B21/02
代理机构		代理人
主权项
地址

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